Home / 286,278,873.60-429,418,310.40-132,873,945.60

Finding the Fourth Proportional to 286,278,873.60, 429,418,310.40 and 132,873,945.60

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Solution

The fourth proportional to 286,278,873.60, 429,418,310.40 and 132,873,945.60 is: 199,310,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,278,873.60 : 429,418,310.40 = 132,873,945.60 : x
  2. Step 2: Convert to fraction form
    286,278,873.60/429,418,310.40 = 132,873,945.60/x
  3. Step 3: Cross multiply
    286,278,873.60x = 429,418,310.40 × 132,873,945.60
  4. Step 4: Simplify right side
    286,278,873.60x = 57,058,505,215,733,512
  5. Step 5: Solve for x
    x = 57,058,505,215,733,512/286,278,873.60
  6. Step 6: Final answer
    x = 199,310,918.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.